Q: What report shows which types of mobile devices visited a website?
A) Site Content > Landing Page report
B) All traffic > Source/Medium report
C) Technology > Network report
D) Mobile > Devices report
Correct Answer is D) Mobile > Devices report.
With this (Mobile > Devices report) report, you can find out how many users you acquired on one type of device convert on that same type of device, how many convert on a different type of device, and how many don’t convert at all.
Read more here: https://support.google.com/analytics/answer/3123672